Add rebar-deps env to port compiler SharedEnv
Add rebar-deps env to port compiler SharedEnv

REBAR_DEPS_DIR is often needed when a nif needs to be linked with a raw
dependency.

evnix/rebar,fabiankrol/rebar3,walrusVision/rebar3,linearregression/rebar3,shkumagai/rebar,matwey/rebar,paulo-ferraz-oliveira/rebar,benoitc/rebar3,vladdu/rebar3,lrascao/rebar,cloudant/couchdb-rebar,rebar/rebar,sile/rebar3,apache/couchdb-rebar,apache/couchdb-rebar,macintux/rebar,CMoH/rebar,evnix/rebar,csyangchen/rebar,CMoH/rebar,cloudant/couchdb-rebar,platinumthinker/rebar,GabrielNicolasAvellaneda/rebar,GabrielNicolasAvellaneda/rebar,K2InformaticsGmbH/rebar,jacktang/rebar,choptastic/rebar,csyangchen/rebar,deadok22/rebar,dcarastan/rebar,evnix/rebar,walrusVision/rebar3,surik/rebar3,matwey/rebar,beni55/rebar,cloudant/couchdb-rebar,deadok22/rebar,kellymclaughlin/rebar3,matwey/rebar,beni55/rebar,linearregression/rebar3,K2InformaticsGmbH/rebar,basho/rebar,blt/rebar3,beni55/rebar-1,rebar/rebar,macintux/rebar,oubiwann/rebar,syl20bnr/rebar,norton/rebar,norton/rebar,paulo-ferraz-oliveira/rebar,fauxsoup/rebar3,dcarastan/rebar,wcy123/rebar,lrascao/rebar,SiDen/rebar,rebar/rebar,lpgauth/rebar,blt/rebar3,scatterbrain/rebar,norton/rebar,lrascao/rebar,RubberCthulhu/rebar,apache/couchdb-rebar,lpgauth/rebar,jbalint/rebar3,CMoH/rebar,syl20bnr/rebar,bsmr-erlang/rebar,K2InformaticsGmbH/rebar,norton/rebar3,rebar/rebar3,lpgauth/rebar,shkumagai/rebar,SiDen/rebar,scatterbrain/rebar,saleyn/rebar3,oubiwann/rebar,syl20bnr/rebar,project-fifo/rebar3,fauxsoup/rebar3,zugolosian/rebar3,SiDen/rebar,norton/rebar,GabrielNicolasAvellaneda/rebar,erlang/rebar3,paulo-ferraz-oliveira/rebar,bsmr-erlang/rebar,dcarastan/rebar,RubberCthulhu/rebar,heroku/rebar,jacktang/rebar,jbalint/rebar3,wcy123/rebar,macintux/rebar,platinumthinker/rebar,lrascao/rebar3,bsmr-erlang/rebar,tsloughter/rebar3,processone/rebar3,csyangchen/rebar,lrascao/rebar,djnym/rebar3,choptastic/rebar,rebar/rebar3,fishcakez/rebar3,beni55/rebar,matwey/rebar,zugolosian/rebar3,lrascao/rebar,scatterbrain/rebar,fabiankrol/rebar3,processone/rebar3,basho/rebar,ferd/rebar3,platinumthinker/rebar,project-fifo/rebar3,bsmr-erlang/rebar,sile/rebar3,heroku/rebar,surik/rebar3,choptastic/rebar,shkumagai/rebar,benoitc/rebar3,matwey/rebar,jacktang/rebar,K2InformaticsGmbH/rebar,K2InformaticsGmbH/rebar,beni55/rebar-1,oubiwann/rebar